Mary M. Power Lovingly known as Maureen. of Oyster Bay, on December 23, 2017. Dear sister of Thomas Power. Also survived by loving nieces and nephews. Mary worked at Grumman for 29 years and was a lover of nature and gardening. She was a warm, friendly and caring person. Funeral Information Family will receive friends Wednesday 2-4 and 7-9 pm. Funeral Mass Thursday 10:30 am in the Chapel of St. Dominic's R.C. Church. Internment to follow at Holy Rood Cemetery.